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saturate the interpolated balance data

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Ryan Pavlik
2011-05-02 13:47:52 -05:00
parent 9666e7a930
commit 0ebc6b70fb
1 changed files with 5 additions and 3 deletions
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8
src/wiiboard.c
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@@ -110,12 +110,14 @@ void wii_board_disconnected(struct wii_board_t* wb) {
static float do_interpolate(uint16_t raw, uint16_t cal[3]) {
#define WIIBOARD_MIDDLE_CALIB 17.0f
if (raw < cal[1]) {
if (raw < cal[0]) {
return 0.0f;
} else if (raw < cal[1]) {
return ((raw-cal[0]) * WIIBOARD_MIDDLE_CALIB)/(float)(cal[1] - cal[0]);
} else if (raw > cal[1]) {
} else if (raw < cal[2]) {
return ((raw-cal[1]) * WIIBOARD_MIDDLE_CALIB)/(float)(cal[2] - cal[1]) + WIIBOARD_MIDDLE_CALIB;
} else {
return WIIBOARD_MIDDLE_CALIB;
return WIIBOARD_MIDDLE_CALIB * 2.0f;
}
}